MCMedicalCodingSoftware
B18.8

B18.8: Other chronic viral hepatitis

Billable / specific codeICD-10-CM

B18.8 is a billable, specific ICD-10-CM code for other chronic viral hepatitis. It is valid for submission on a claim.

Check B18.8 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Carrier of other viral hepatitis

Risk adjustment

B18.8 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 65 Chronic Hepatitis0.185 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

B18.8 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

  • Carrier of›HAA(hepatitis Australian-antigen)
  • Carrier of›hepatitis›Australia-antigen(HAA)
  • Carrier of›hepatitis›specified NEC
  • Hepatitis›viral, virus›chronic›specified NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B18

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.